DR. JOANNE C SIU-POST MD
NPI 1184720823
Internal Medicine - Nephrology in Hampton, VA

Q: What is Joanne Siu-post's NPI number?

The NPI number for Joanne Siu-post is 1184720823. It was assigned to this individual provider in the NPPES registry on September 16, 2006.

Q: What is Joanne Siu-post's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Joanne Siu-post was last updated on February 17, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 16, 2006PECOS EnrolledAccepts Medicare Assignment

501 BUTLER FARM RD, STE. I, HAMPTON, VA 23666(757) 251-7469(757) 251-7470 Get Directions Write a Review

NPPES record last updated: February 17, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Joanne C Siu-post Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOANNE C SIU-POST MD (NPI 1184720823) is an individual nephrology provider in Hampton, Virginia, licensed in Virginia (0101232897) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Mary Immaculate Hospital, and is a graduate of Georgetown University School Of Medicine (1996).

NPPES Registry Identity

NPI1184720823

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameDR. JOANNE C SIU-POSTCredential: MD

Location Address501 BUTLER FARM RD, STE. IHampton, VA 23666-1564

Mailing Address501 Butler Farm Rd, Ste. IHampton, VA 23666-1564 · (757) 251-7469 · Fax (757) 251-7470

Phone(757) 251-7469

Fax(757) 251-7470

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 1996

Enumeration DateSeptember 16, 2006

Last NPPES UpdateFebruary 17, 2010

✔ NPI 1184720823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in VA · 0101232897

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

501 BUTLER FARM RD, Hampton, VA 23666

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Other Identifiers 3

Medicare UPINH62384VA

Medicare ID-Type Unspecified00V018P83VA

Medicaid5877458VA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Joanne C Siu-post Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567505357

PECOS Enrollment IDI20100202000408

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Joanne Siu-post reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Peninsula Kidney Associates PC

Same address

Nephrology

501 BUTLER FARM RD, SUITE I
Hampton, VA 23666

Reassigned Medicare billing, Virginia enrollment
11 clinicians in this Medicare group

NPI 1750436531 (757) 251-7469

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 19

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) Q0138

Ferumoxytol injection is a treatment for iron deficiency anemia, a condition where your body lacks enough iron. It is injected into your vein to increase iron levels, aiding in the production of healthy red blood cells. This treatment is not for ESRD patients.

5,610 services11 patients

Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units Q5106

Epoetin alfa-epbx (Retacrit) is a biosimilar injection used for non-ESRD (End-Stage Renal Disease). It helps your body make more red blood cells, increasing your energy and well-being. It's usually given under the skin or into a vein by a healthcare professional.

1,660 services19 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

385 services209 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

310 services158 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

265 services107 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

183 services154 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

106 services56 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

97 services77 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

90 services72 patients

Home dialysis services per month (20 years or older) 90966

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

86 services38 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

76 services72 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

57 services52 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

50 services50 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

42 services19 patients

Dialysis procedure including 1 evaluation 90945

Dialysis is a treatment that filters and purifies the blood when your kidneys can't do their job. The procedure involves circulating your blood through a machine that removes waste products. An evaluation is done beforehand to assess your health and determine the best approach for your treatment.

37 services13 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

20 services18 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

15 services15 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

15 services15 patients

Injection of drug or substance into vein 96374

This procedure involves introducing a medication or substance directly into your vein using a syringe. It's a quick and efficient way to deliver treatment throughout your body. You might feel a small prick when the needle enters. It's generally safe and effective.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mary Immaculate Hospital

Acute Care Hospitals · Newport News, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490041

Location2 Bernardine DriveNewport News, VA 23602 · Newport News City County

Emergency services Birthing friendly

Riverside Regional Medical Center

Acute Care Hospitals · Newport News, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490052

Location500 J Clyde Morris BlvdNewport News, VA 23601 · Newport News City County

Emergency services Birthing friendly

Sentara Williamsburg Regional Medical Center

Acute Care Hospitals · Williamsburg, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490066

Location100 Sentara CircleWilliamsburg, VA 23188 · James City County

Emergency services Birthing friendly

Sentara Careplex Hospital

Acute Care Hospitals · Hampton, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490093

Location3000 Coliseum DriveHampton, VA 23666 · Hampton City County

Emergency services Birthing friendly

Riverside Doctors' Hospital Of Williamsburg

Acute Care Hospitals · Williamsburg, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490143

Location1500 Commonwealth AvenueWilliamsburg, VA 23185 · James City County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23666 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$129.04 typical visit price

range $56.19 – $170.30

Typical copayment $32.26 (range $14.04 – $42.57)

Most-billed visit code 99204

Established Patient

$99.13 typical visit price

range $18.07 – $138.91

Typical copayment $24.78 (range $4.51 – $34.72)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Diabetes: Medical Attention for Nephropathy

The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period

98%177 patients4/55-star benchmark: 99%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

91%1,230 patients4/55-star benchmark: 100%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

45%348 patients3/55-star benchmark: 90%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

89%537 patients4/55-star benchmark: 97%

Preventive Care and Screening: Influenza Immunization

Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization

43%862 patients2/55-star benchmark: 88%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user

Patients tobacco: 91% · 339 patients

98%339 patients

Use of High-Risk Medications in the Elderly

Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.

Lower rates are better for this measure.

Patients 2+: 0% · 350 patients

0%350 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers15 claims630 services$0.29 avg. paid by Medicare

Cyclosporine, oral, 25 mg J7515

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier11 claims2,310 services$0.61 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

4 suppliers24 claims24 services$18.93 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

2 suppliers20 claims20 services$12.59 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PENINSULA VASCULAR CENTER, P.C.

Internal Medicine (Nephrology)

501 BUTLER FARM RD, SUITE B
HAMPTON, VA 23666

Hampton City (757) 766-6080

KHALIL B DAHDAH MD

Internal Medicine (Nephrology)

501 BUTLER FARM RD, STE. I
HAMPTON, VA 23666

Hampton City (757) 766-6080

HOANG-HAI NGOC NGUYEN MD

Internal Medicine (Nephrology)

501 BUTLER FARM RD, SUITE I
HAMPTON, VA 23666

Hampton City (757) 251-7469

MRS. BELKYS FIAME

Nurse Practitioner (Family)

501 BUTLER FARM RD
HAMPTON, VA 23666

Hampton City (757) 251-7451

DR. THOMAS M BEAZLIE M.D.

Internal Medicine (Nephrology)

501 BUTLER FARM RD, SUITE I
HAMPTON, VA 23666

Hampton City (757) 251-7469

PENINSULA KIDNEY ASSOCIATES PC

Internal Medicine (Nephrology)

501 BUTLER FARM RD, SUITE I
HAMPTON, VA 23666

Hampton City (757) 251-7469

DR. OLAYIWOLA B AYODEJI M.D, MPH

Internal Medicine (Nephrology)

501 BUTLER FARM RD, STE. I
HAMPTON, VA 23666

Hampton City (757) 251-7469

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joanne Siu-post's NPI number?

The NPI number for Joanne Siu-post is 1184720823. It was assigned to this individual provider in the NPPES registry on September 16, 2006.

Where is Joanne Siu-post located?

Joanne Siu-post practices at 501 Butler Farm Rd Ste. I, Hampton, VA 23666. The listed phone number is (757) 251-7469.

What is Joanne Siu-post's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Joanne Siu-post enrolled in Medicare?

Yes. Joanne Siu-post is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Joanne Siu-post's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joanne Siu-post reassigns Medicare benefits to Peninsula Kidney Associates PC (Hampton, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joanne Siu-post's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Joanne Siu-post affiliated with any hospitals?

According to CMS data, Joanne Siu-post is affiliated with Mary Immaculate Hospital, Riverside Regional Medical Center, Sentara Williamsburg Regional Medical Center, Sentara Careplex Hospital and Riverside Doctors' Hospital Of Williamsburg.

When was this NPI record last updated?

The NPPES record for Joanne Siu-post was last updated on February 17, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.